The call is ambiguous between the following methods or properties: 'string.Join(char, string?[], int, int)' and 'string.Join(string?, string?[], int, int)'

The call is ambiguous between the following methods or properties: 'string.Join(char, params object?[])' and 'string.Join(string?, params object?[])'

The call is ambiguous between the following methods or properties: 'string.Join(char, params string?[])' and 'string.Join(string?, params string?[])'

Missing compiler required member 'System.Runtime.CompilerServices.RuntimeHelpers.GetSubArray'

The name 'TakeRangeFromEndIterator' does not exist in the current context

The name 'IsEmptyArray' does not exist in the current context

The call is ambiguous between the following methods or properties: 'string.Join<T>(char, IEnumerable<T>)' and 'string.Join<T>(string?, IEnumerable<T>)'

The call is ambiguous between the following methods or properties: 'string.Join(char, string?[], int, int)' and 'string.Join(string?, string?[], int, int)'

The call is ambiguous between the following methods or properties: 'string.Join(char, params object?[])' and 'string.Join(string?, params object?[])'

The call is ambiguous between the following methods or properties: 'string.Join(char, params string?[])' and 'string.Join(string?, params string?[])'

Do not assert inside 'async void' methods, local functions, or lambdas because they may not fail the test (https://learn.microsoft.com/dotnet/core/testing/mstest-analyzers/mstest0040)

Possible null reference assignment.

Do not assert inside 'async void' methods, local functions, or lambdas because they may not fail the test (https://learn.microsoft.com/dotnet/core/testing/mstest-analyzers/mstest0040)

Do not assert inside 'async void' methods, local functions, or lambdas because they may not fail the test (https://learn.microsoft.com/dotnet/core/testing/mstest-analyzers/mstest0040)

Do not assert inside 'async void' methods, local functions, or lambdas because they may not fail the test (https://learn.microsoft.com/dotnet/core/testing/mstest-analyzers/mstest0040)

Do not assert inside 'async void' methods, local functions, or lambdas because they may not fail the test (https://learn.microsoft.com/dotnet/core/testing/mstest-analyzers/mstest0040)

Do not assert inside 'async void' methods, local functions, or lambdas because they may not fail the test (https://learn.microsoft.com/dotnet/core/testing/mstest-analyzers/mstest0040)

Do not assert inside 'async void' methods, local functions, or lambdas because they may not fail the test (https://learn.microsoft.com/dotnet/core/testing/mstest-analyzers/mstest0040)

Do not assert inside 'async void' methods, local functions, or lambdas because they may not fail the test (https://learn.microsoft.com/dotnet/core/testing/mstest-analyzers/mstest0040)